TY  - BOOK
AU  - Tyagi, O.D
AU  - Mehra, M
TI  - A Textbook Of Environmental Chemistry
SN  - 8170413524
U1  - 504 
PY  - 1992///,
CY  - New Dilhi
PB  - Anmol Publications
KW  - Environmental Chemistry
KW  - Monitoring Water Quality
KW  - Acid Rain
KW  - Air Pollution
KW  - Chemical Toxicology
ER  -